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lib: sbi: Add support to mask/unmask SSE events

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Add functions to globally mask/unmask supervisor software events
on the calling hart.

Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Himanshu Chauhan
2024-09-23 11:26:26 +05:30
committed by Anup Patel
parent ebbd276146
commit b919daf495
4 changed files with 53 additions and 0 deletions
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include/sbi/sbi_sse.h
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@@ -78,6 +78,8 @@ void sbi_sse_exit(struct sbi_scratch *scratch);
int sbi_sse_register(uint32_t event_id, unsigned long handler_entry_pc,
unsigned long handler_entry_arg);
int sbi_sse_unregister(uint32_t event_id);
int sbi_sse_hart_mask(void);
int sbi_sse_hart_unmask(void);
int sbi_sse_enable(uint32_t event_id);
int sbi_sse_disable(uint32_t event_id);
int sbi_sse_complete(struct sbi_trap_regs *regs, struct sbi_ecall_return *out);